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30141356 = 2271076477
BaseRepresentation
bin111001011111…
…0101110101100
32002201100011112
41302332232230
530204010411
62554011152
7514124450
oct162765654
962640145
1030141356
1116017713
12a116ab8
13632442b
144008660
1529a5b8b
hex1cbebac

30141356 has 12 divisors (see below), whose sum is σ = 60282768. Its totient is φ = 12917712.

The previous prime is 30141337. The next prime is 30141379. The reversal of 30141356 is 65314103.

It is a happy number.

30141356 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538211 + ... + 538266.

It is an arithmetic number, because the mean of its divisors is an integer number (5023564).

Almost surely, 230141356 is an apocalyptic number.

It is an amenable number.

30141356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30141356 is a wasteful number, since it uses less digits than its factorization.

30141356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076488 (or 1076486 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 30141356 is about 5490.1143886079. The cubic root of 30141356 is about 311.2105149290.

Adding to 30141356 its reverse (65314103), we get a palindrome (95455459).

The spelling of 30141356 in words is "thirty million, one hundred forty-one thousand, three hundred fifty-six".

Divisors: 1 2 4 7 14 28 1076477 2152954 4305908 7535339 15070678 30141356